{"id":703423,"date":"2024-10-25T07:14:48","date_gmt":"2024-10-25T06:14:48","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=703423"},"modified":"2024-10-25T07:14:48","modified_gmt":"2024-10-25T06:14:48","slug":"ong-pitot-do-toc-do-ung-dung-trong-hang-khong-vu-tru","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/ong-pitot-do-toc-do-ung-dung-trong-hang-khong-vu-tru\/","title":{"rendered":"\u1ed0ng Pitot | \u0110o T\u1ed1c \u0110\u1ed9, \u1ee8ng D\u1ee5ng Trong H\u00e0ng Kh\u00f4ng V\u0169 Tr\u1ee5"},"content":{"rendered":"<p class=\"sidekick\">\u1ed0ng Pitot: thi\u1ebft b\u1ecb \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng kh\u00ed, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 \u0111\u1ec3 theo d\u00f5i v\u1eadn t\u1ed1c v\u00e0 hi\u1ec7u su\u1ea5t bay c\u1ee7a m\u00e1y bay.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/ong_pitot_do_toc_do_ung_dung_trong_hang_khong_vu_tru.png\" alt=\"\u1ed0ng Pitot | \u0110o T\u1ed1c \u0110\u1ed9, \u1ee8ng D\u1ee5ng Trong H\u00e0ng Kh\u00f4ng V\u0169 Tr\u1ee5\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u1ed0ng Pitot | \u0110o T\u1ed1c \u0110\u1ed9, \u1ee8ng D\u1ee5ng Trong H\u00e0ng Kh\u00f4ng V\u0169 Tr\u1ee5<\/h2>\n<p>\u1ed0ng Pitot l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng trong \u0111o l\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed. \u0110\u01b0\u1ee3c ph\u00e1t minh b\u1edfi Henri Pitot v\u00e0o \u0111\u1ea7u th\u1ebf k\u1ef7 18, \u1ed1ng Pitot tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, gi\u00fap \u0111o t\u1ed1c \u0111\u1ed9 bay c\u1ee7a m\u00e1y bay v\u00e0 t\u00ean l\u1eeda m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n<h2>C\u1ea5u T\u1ea1o v\u00e0 Nguy\u00ean L\u00fd Ho\u1ea1t \u0110\u1ed9ng<\/h2>\n<p>\u1ed0ng Pitot g\u1ed3m hai ph\u1ea7n ch\u00ednh:<\/p>\n<p><u1><\/p>\n<li>\u1ed0ng ngo\u00e0i: \u0110\u01b0\u1ee3c \u0111\u1eb7t h\u01b0\u1edbng v\u1ec1 ph\u00eda d\u00f2ng ch\u1ea3y \u0111\u1ec3 nh\u1eadn \u00e1p su\u1ea5t \u0111\u1ed9ng.<\/li>\n<li>\u1ed0ng trong: Nh\u1eadn \u00e1p su\u1ea5t t\u0129nh t\u1eeb m\u00f4i tr\u01b0\u1eddng xung quanh.<\/li>\n<p><\/u1><\/p>\n<p>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u1ed1ng Pitot d\u1ef1a tr\u00ean s\u1ef1 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t gi\u1eefa \u00e1p su\u1ea5t \u0111\u1ed9ng v\u00e0 \u00e1p su\u1ea5t t\u0129nh. C\u00f4ng th\u1ee9c t\u00ednh to\u00e1n t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y V c\u1ee7a ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo ph\u01b0\u01a1ng tr\u00ecnh Bernoulli:<\/p>\n<p><i>V = \\sqrt{\\frac{2 * (P_d &#8211; P_s)}{\\rho}}<\/i><\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<p><u1><\/p>\n<li><i>P_d<\/i>: \u00c1p su\u1ea5t \u0111\u1ed9ng (t\u1eeb \u1ed1ng ngo\u00e0i)<\/li>\n<li><i>P_s<\/i>: \u00c1p su\u1ea5t t\u0129nh (t\u1eeb \u1ed1ng trong)<\/li>\n<li><i>\\rho<\/i>: M\u1eadt \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed<\/li>\n<p><\/u1><\/p>\n<h2>\u1ee8ng D\u1ee5ng Trong H\u00e0ng Kh\u00f4ng V\u0169 Tr\u1ee5<\/h2>\n<p>Trong l\u0129nh v\u1ef1c h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, \u1ed1ng Pitot \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu trong c\u00e1c \u1ee9ng d\u1ee5ng sau:<\/p>\n<p><u1><\/p>\n<li>\u0110o t\u1ed1c \u0111\u1ed9 bay: \u1ed0ng Pitot gi\u00fap \u0111o t\u1ed1c \u0111\u1ed9 bay c\u1ee7a m\u00e1y bay so v\u1edbi kh\u00f4ng kh\u00ed, t\u1eeb \u0111\u00f3 cung c\u1ea5p c\u00e1c th\u00f4ng s\u1ed1 quan tr\u1ecdng cho phi c\u00f4ng v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng.<\/li>\n<li>\u0110o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y trong \u0111\u1ed9ng c\u01a1: Ki\u1ec3m tra hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed9ng c\u01a1 m\u00e1y bay th\u00f4ng qua vi\u1ec7c \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y kh\u00f4ng kh\u00ed v\u00e0o v\u00e0 ra.<\/li>\n<li>\u1ee8ng d\u1ee5ng trong t\u00ean l\u1eeda: \u0110o t\u1ed1c \u0111\u1ed9 bay c\u1ee7a t\u00ean l\u1eeda \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a qu\u1ef9 \u0111\u1ea1o v\u00e0 \u0111i\u1ec1u khi\u1ec3n h\u01b0\u1edbng bay.<\/li>\n<p><\/u1><\/p>\n<p>\u1ed0ng Pitot th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111o kh\u00e1c nh\u01b0 c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t \u0111\u1ec3 t\u1ea1o th\u00e0nh h\u1ec7 th\u1ed1ng \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>\u1ed0ng Pitot l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111\u01a1n gi\u1ea3n nh\u01b0ng c\u1ef1c k\u1ef3 h\u1eefu \u00edch trong vi\u1ec7c \u0111o l\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed. V\u1edbi \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, \u1ed1ng Pitot \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a m\u00e1y bay v\u00e0 t\u00ean l\u1eeda. Vi\u1ec7c hi\u1ec3u r\u00f5 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a \u1ed1ng Pitot gi\u00fap ch\u00fang ta c\u00f3 c\u00e1i nh\u00ecn s\u00e2u h\u01a1n v\u1ec1 c\u00e1ch m\u00e0 c\u00e1c lo\u1ea1i m\u00e1y bay v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n bay hi\u1ec7n \u0111\u1ea1i v\u1eadn h\u00e0nh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u1ed0ng Pitot: thi\u1ebft b\u1ecb \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng kh\u00ed, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 \u0111\u1ec3 theo d\u00f5i v\u1eadn t\u1ed1c v\u00e0 hi\u1ec7u su\u1ea5t bay c\u1ee7a m\u00e1y bay.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - 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